Grade | Hardness | ||||||||||
Standard | 65A | 70A | 75A | 80A | 85A | 90A | 95A | 98A | 64D | 72D | |
density,g/cm³ | ASTM D792 | 1.10±0.02 | 1.14±0.02 | 1.20±0.02 | 1.20±0.02 | 1.21±0.02 | 1.21±0.02 | 1.21±0.02 | 1.22±0.02 | 1.22±0.02 | 1.22±0.02 |
Hardness,Shore A/D | ASTM D2240 | 65±3 | 70±3 | 75±3 | 80±3 | 85±3 | 90±3 | 95±3 | 98±3 | 64D±3 | 72D±3 |
300%Tensile Stress,Mpa | ASTM D412 | 3 | 4.5 | 6.5 | 9 | 11 | 15 | 22 | 24 | 33 | 38 |
Tensile strength,Mpa | 18 | 29 | 33 | 36 | 43 | 50 | 51 | 52 | 54 | 55 | |
Elongation at break,% | 900 | 800 | 800 | 700 | 600 | 550 | 500 | 480 | 420 | 350 | |
Tear strength,KN/m | ASTM D624 | 45 | 55 | 80 | 90 | 100 | 110 | 130 | 150 | 170 | 200 |
70℃Compression permanent deformation,% | ASTM D359 | 35 | 40 | 40 | 40 | 45 | 45 | 50 | 50 | 55 | 60 |
Abrasion,mm³ | ASTM D5963 | 100 | 70 | 60 | 55 | 50 | 50 | 45 | 45 | 45 | 45 |